| CVE-2014-8594 | Date: (C)2014-12-04 (M)2023-12-22 |
The do_mmu_update function in arch/x86/mm.c in Xen 4.x through 4.4.x does not properly restrict updates to only PV page tables, which allows remote PV guests to cause a denial of service (NULL pointer dereference) by leveraging hardware emulation services for HVM guests using Hardware Assisted Paging (HAP).
CVSS Score and Metrics +CVSS Score and Metrics -| CVSS V2 Severity: |
| CVSS Score : 5.4 |
| Exploit Score: 4.9 |
| Impact Score: 6.9 |
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| CVSS V2 Metrics: |
| Access Vector: NETWORK |
| Access Complexity: HIGH |
| Authentication: NONE |
| Confidentiality: NONE |
| Integrity: NONE |
| Availability: COMPLETE |
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